Home / 522,051,170-720,416,226.84-287,101,824.80

Finding the Fourth Proportional to 522,051,170, 720,416,226.84 and 287,101,824.80

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Solution

The fourth proportional to 522,051,170, 720,416,226.84 and 287,101,824.80 is: 396,192,605.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,051,170 : 720,416,226.84 = 287,101,824.80 : x
  2. Step 2: Convert to fraction form
    522,051,170/720,416,226.84 = 287,101,824.80/x
  3. Step 3: Cross multiply
    522,051,170x = 720,416,226.84 × 287,101,824.80
  4. Step 4: Simplify right side
    522,051,170x = 206,832,813,341,294,752
  5. Step 5: Solve for x
    x = 206,832,813,341,294,752/522,051,170
  6. Step 6: Final answer
    x = 396,192,605.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.